How much force is needed to stop a 50 kg gymnast if he decelerates at 25 m/s^2

in net forces

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.

The slope of a velocity time graph over any interval of time gives the during that interval